Analysis is made on the dark lines defects occurring over the working surface of flange by measurement with the optical microscope, Scanning electro microscope (SEM) and electronic probe.

针对法兰盘加工面上出现的黑纹缺陷，采用光学显微镜、扫描电镜和电子探针等测试方法对其进行了分析。

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Edinburgh-based Wolfson, which specialises in audio parts for consumer electronic products, said sales were driven by a strong performances from its audio hubs and micro-electro-mechanical systems (Mems) microphone product lines.

BBC: Wolfson Microelectronics upbeat as chip sales surge